Ford F-350 SD: Power train — axle assembly

The hazard

Driveshaft separation may result in a loss of drive power, or unintended vehicle movement if the vehicle is in park without the parking brake applied, increasing the risk of a crash.

What to do

Dealers will inspect the axle housing for deformities, and repair or replace the housing, as necessary, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall 21S31.